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/*
* GNU AFFERO GENERAL PUBLIC LICENSE
* Version 3, 19 November 2007
* Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
* Everyone is permitted to copy and distribute verbatim copies
* of this license document, but changing it is not allowed.
*/
using Microsoft.CodeAnalysis.CSharp.Scripting;
using Microsoft.CodeAnalysis.Scripting;
using System;
using System.Diagnostics;
using System.IO;
using System.Xml.Serialization;
using UVtools.Core.FileFormats;
using UVtools.Core.Scripting;
namespace UVtools.Core.Operations;
[Serializable]
public sealed class OperationScripting : Operation
{
#region Members
public event EventHandler? OnScriptReload;
private string? _filePath;
private string? _scriptText;
private ScriptState? _scriptState;
#endregion
#region Overrides
public override bool CanRunInPartialMode => true;
//public override bool CanHaveProfiles => false;
public override string IconClass => "fa-solid fa-code";
public override string Title => "Scripting";
public override string Description =>
$"Run external scripts to manipulate the loaded file.\n" +
$"The scripts have wide access to your system and able to do modifications, read/write files, etc. " +
$"Make sure to run only the scripts you trust! Or run UVtools in a sandbox while executing this.";
public override string ConfirmationText =>
$"run the {ScriptGlobals?.Script.Name} script from layers {LayerIndexStart} through {LayerIndexEnd}?";
public override string ProgressTitle =>
$"Scripting from layers {LayerIndexStart} through {LayerIndexEnd}";
public override string ProgressAction => "Scripted layers";
public override string? ValidateInternally()
{
if (!CanExecute)
{
if (ScriptGlobals is not null && About.Version.CompareTo(ScriptGlobals.Script.MinimumVersionToRun) >= 0)
{
return
$"Unable to run due {About.Software} version {About.VersionStr} is lower than required {ScriptGlobals.Script.MinimumVersionToRun}\n" +
$"Please update {About.Software} in order to run this script.";
}
return "Script is not loaded.";
}
var scriptValidation = _scriptState!.ContinueWithAsync<string?>("return ScriptValidate();").Result;
return scriptValidation.ReturnValue;
}
public override string ToString()
{
var result = $"[{Path.GetFileName(_filePath)}]" + LayerRangeString;
if (!string.IsNullOrEmpty(ProfileName)) result = $"{ProfileName}: {result}";
return result;
}
#endregion
#region Enums
#endregion
#region Properties
[XmlIgnore]
public ScriptGlobals? ScriptGlobals { get; private set; }
public string? FilePath
{
get => _filePath;
set
{
if (value is null)
{
RaiseAndSetIfChanged(ref _filePath, null);
}
else
{
if (!value.EndsWith(".csx") && !value.EndsWith(".cs")) return;
if (!File.Exists(value)) return;
if (!RaiseAndSetIfChanged(ref _filePath, value)) return;
}
RaisePropertyChanged(nameof(HaveFile));
}
}
[XmlIgnore]
public string? ScriptText
{
get => _scriptText;
set => RaiseAndSetIfChanged(ref _scriptText, value);
}
public bool CanExecute => !string.IsNullOrWhiteSpace(_filePath) && _scriptState is not null && ScriptGlobals is not null && About.Version.CompareTo(ScriptGlobals.Script.MinimumVersionToRun) >= 0;
public bool HaveFile => !string.IsNullOrWhiteSpace(_filePath);
/*public override string ToString()
{
var result = $"[{_infillType}] [Wall: {_wallThickness}px] [B: {_infillBrightness}px] [T: {_infillThickness}px] [S: {_infillSpacing}px]" + LayerRangeString;
if (!string.IsNullOrEmpty(ProfileName)) result = $"{ProfileName}: {result}";
return result;
}*/
#endregion
#region Constructor
public OperationScripting() { }
public OperationScripting(FileFormat slicerFile) : base(slicerFile)
{ }
#endregion
#region Equality
private bool Equals(OperationScripting other)
{
return _filePath == other._filePath;
}
public override bool Equals(object? obj)
{
return ReferenceEquals(this, obj) || obj is OperationScripting other && Equals(other);
}
public override int GetHashCode()
{
return (_filePath != null ? _filePath.GetHashCode() : 0);
}
#endregion
#region Methods
public void ReloadScriptFromFile(string? filePath = null)
{
if (!string.IsNullOrWhiteSpace(filePath)) FilePath = filePath;
if (string.IsNullOrWhiteSpace(_filePath) || !File.Exists(_filePath)) return;
ReloadScriptFromText(File.ReadAllText(_filePath));
}
public void ReloadScriptFromText(string? text = null)
{
if (!string.IsNullOrWhiteSpace(text)) ScriptText = text;
if (string.IsNullOrWhiteSpace(_scriptText)) return;
ScriptText = ScriptParser.ParseScriptFromText(_scriptText);
ScriptGlobals = new ScriptGlobals { SlicerFile = SlicerFile, Operation = this };
_scriptState = CSharpScript.RunAsync(_scriptText,
ScriptOptions.Default.AddReferences(typeof(About).Assembly).WithAllowUnsafe(true),
ScriptGlobals).Result;
var result = _scriptState.ContinueWithAsync("ScriptInit();").Result;
RaisePropertyChanged(nameof(CanExecute));
OnScriptReload?.Invoke(this, EventArgs.Empty);
}
protected override bool ExecuteInternally(OperationProgress progress)
{
if (ScriptGlobals is null || _scriptState is null) return false;
ScriptGlobals.Progress = progress;
var scriptExecute = _scriptState.ContinueWithAsync<bool>("return ScriptExecute();").Result;
return !progress.Token.IsCancellationRequested && scriptExecute.ReturnValue;
}
#endregion
}
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